Koretsky, Irina A (2012)
A new species of Leptophoca (Carnivora, Phocidae, Phocinae) from both sides of the North Atlantic Ocean (Miocene Seals of The Netherlands, Part I). Deinsea (Jaarbericht Natuurhistorisch Museum Rotterdam), Vol.15 (2012): 1-12. Irina A. Koretsky, C.E. Ray, and N. Peters.